Senior Drainage Engineer

STV

Senior Drainage Engineer leading drainage design for transportation infrastructure at STV. Collaborating with multidisciplinary teams and mentoring early-career engineers in a prominent engineering firm.

Posted 7/23/2026full-timeLos Angeles • California, Oregon, Washington • 🇺🇸 United StatesSenior💰 $160,647 - $183,597 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in drainage engineering design for transportation infrastructure, including stormwater management, hydrology, and hydraulic analysis. Proficient in technical report writing and regulatory compliance, with strong leadership and mentoring capabilities.

Highest-signal resume keywords

Drainage Engineering DesignHydrology And Hydraulic AnalysisStormwater Management DesignProfessional Engineer (PE) LicenseTechnical Report Writing

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Drainage DesignHydraulic StructuresErosion And Sediment Control DesignCulvert DesignStormwater Quality DesignBest Management Practices (BMPs)Low Impact Development (LID)Regulatory ComplianceQA/QC ReviewTechnical Documentation

Soft Skills

Strong Written CommunicationStrong Verbal CommunicationTeam CollaborationClient Relationship ManagementMentoring

Tools & Technologies

HEC-RASHydrocalcXPSWMMStormCADMicroStationAutoCAD Civil 3DOpenRoads DesignerArcGIS

Certifications & Qualifications

Bachelor’s Degree In Civil EngineeringProfessional Engineer (PE) License

Industry Keywords

Transportation InfrastructureStormwater PermittingEnvironmental Regulatory CoordinationMultidisciplinary Design EffortsProject Delivery

About the role

Key responsibilities & impact

Lead drainage engineering design for transportation infrastructure projects, including roadway, rail, bridge, and highway improvements.
Oversee the design of stormwater management systems, drainage systems, culverts, hydraulic structures, Best Management Practices (BMPs), Low Impact Development (LID) features, and erosion and sediment control plans.
Perform and review hydrology and hydraulic analyses to support design decisions, regulatory compliance, and resilient project delivery.
Support and manage stormwater permitting, erosion and sediment control approvals, and environmental regulatory coordination.
Prepare and review technical reports, drainage reports, stormwater documentation, design documentation, specifications, and engineer’s cost estimates with a strong focus on clarity, accuracy, and quality.
Coordinate multidisciplinary design efforts with roadway, structural, rail, and environmental teams to ensure integrated project delivery.
Provide technical leadership, quality reviews, and QA/QC support for drainage deliverables, including report writing, calculations, plans, and permit documentation.
Support client interactions and help strengthen relationships with public-sector agencies, stakeholders, and teaming partners.
Mentor and develop early-career drainage engineers and technical staff, supporting team growth and capability development.
Participate in project meetings with clients, subconsultants, and regulatory agencies, bringing confidence and technical expertise to every interaction.

Requirements

What you’ll need

Bachelor’s degree in Civil Engineering, Environmental Engineering, or a related field.
13-18 years of progressive experience in drainage design, preferably supporting transportation infrastructure projects.
Professional Engineer (PE) license in Washington, Oregon, or California (preferred), or ability to obtain within 6 months of hire.
Demonstrated expertise in hydrology and hydraulic analysis using some of the following software packages: HEC-RAS, Hydrocalc, XPSWMM, StormCAD, WSPG, WNT-55, LAR04, and ORD Storm Module.
Experience with stormwater management design, drainage systems, and culvert design.
Experience with erosion and sediment control design, permitting, and regulatory coordination.
Knowledge of Best Management Practices (BMPs), Low Impact Development (LID) strategies, and stormwater quality design.
Experience supporting transportation infrastructure projects.
Strong technical report writing skills, including drainage documentation and QA/QC review of engineering deliverables.
Experience with MicroStation and/or AutoCAD Civil 3D; OpenRoads Designer and ArcGIS.
Strong written and verbal communication skills with ability to work in multidisciplinary teams and client-facing environments.

Benefits

Comp & perks

Health insurance, including an option with a Health Savings Account
Dental insurance
Vision insurance
Flexible Spending Accounts (Healthcare, Dependent Care and Transit and Parking where applicable)
Disability insurance
Life Insurance and Accidental Death & Dismemberment
401(k) Plan
Retirement Counseling
Employee Assistance Program
Paid Time Off (starting at 16 days)
Paid Holidays (9 days)
Back-Up Dependent Care (up to 10 days per year)
Parental Leave (up to 80 hours)
Continuing Education Program
Professional Licensure and Society Memberships